| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 15010 | 44.4 % | ||
 | Windows XP | 1122 | 3.3 % |  |
 | Windows Vista | 4094 | 12.1 % | |
 | Windows (unknown version) | 131 | 0.3 % | |
 | Windows NT | 212 | 0.6 % | |
 | Windows Vista (LongHorn) | 180 | 0.5 % | |
 | Windows 98 | 5 | 0 % | |
 | Windows 2008 | 9171 | 27.1 % | |
 | Windows 2003 | 52 | 0.1 % | |
 | Windows 2000 | 38 | 0.1 % | |
 | Windows 3.xx | 5 | 0 % | |
| BSD | 114 | 0.3 % | ||
 | OpenBSD | 34 | 0.1 % | |
 | NetBSD | 27 | 0 % | |
 | FreeBSD | 53 | 0.1 % | |
| Linux | 8800 | 26 % | ||
 | Ubuntu | 370 | 1 % | |
 | Suse | 11 | 0 % | |
 | Red Hat | 17 | 0 % | |
 | Mandriva (or Mandrake) | 3 | 0 % | |
 | Fedora | 7 | 0 % | |
 | Centos | 15 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 8377 | 24.8 % | |
| Macintosh | 5768 | 17 % | ||
 | Mac OS X | 5766 | 17 % | |
 | Mac OS | 2 | 0 % | |
| Others | 4079 | 12 % | ||
 | Unknown | 4041 | 11.9 % | |
 | Sun Solaris | 24 | 0 % | |
 | Unknown Unix system | 12 | 0 % | |
 | Aix | 2 | 0 % | |